Python

Notes on the Python programming language — testing, async, type hints, and practical patterns.

Faster bulk_update in Django November 30, 2022 · article

Installing Python on macOS with asdf November 13, 2022 · article

Save models with update_fields for better performance in Django November 9, 2022 · article

Python logging quirks in AWS Lambda environment October 20, 2022 · article

Dissecting an outage caused by eager-loading file content October 14, 2022 · article

Verifying webhook origin via payload hash signing September 18, 2022 · article

Recipes from Python SQLite docs September 11, 2022 · article

Prefer urlsplit over urlparse to destructure URLs September 10, 2022 · article

ExitStack in Python August 27, 2022 · article

Compose multiple levels of fixtures in pytest July 21, 2022 · article

Patch where the object is used July 18, 2022 · article

Partially assert callable arguments with 'unittest.mock.ANY' July 17, 2022 · article

Apply constraints with 'assert' in Python July 10, 2022 · article

Stream process a CSV file in Python July 1, 2022 · article

Bulk operations in Django with process pool June 27, 2022 · article

Read a CSV file from s3 without saving it to the disk June 26, 2022 · article

Safer 'operator.itemgetter' in Python June 16, 2022 · article

Return JSON error payload instead of HTML text in DRF April 13, 2022 · article

Decoupling producers and consumers of iterables with generators in Python April 3, 2022 · article

Pre-allocated lists in Python March 27, 2022 · article

Disallow large file download from URLs in Python March 23, 2022 · article

Declaratively transform data class fields in Python March 20, 2022 · article

Caching connection objects in Python March 16, 2022 · article

How not to run a script in Python March 16, 2022 · article

Mocking chained methods of datetime objects in Python March 16, 2022 · article

Declarative payloads with TypedDict in Python March 11, 2022 · article

Parametrized fixtures in pytest March 10, 2022 · article

Modify iterables while iterating in Python March 4, 2022 · article

Github action template for Python based projects March 2, 2022 · article

Self type in Python February 28, 2022 · article